The lead ship of her class and one of the Federation's first purpose-built warships, the Defiant first appears in the third-season DS9 episode ' The Search, Part I', after which it plays a significant role throughout the series in the ensuing Dominion War. The USS Defiant (NX-74205) is a fictional starship in the television series Star Trek: Deep Space Nine (DS9) and the feature film Star Trek: First Contact. Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
